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182

What are the most paranoid network/OS security measures you've implemented in your homelab? (lemmy.world)

submitted 9 months ago by MigratingtoLemmy@lemmy.world to c/selfhosted@lemmy.world

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As the title says, I want to know the most paranoid security measures you've implemented in your homelab. I can think of SDN solutions with firewalls covering every interface, ACLs, locked-down/hardened OSes etc but not much beyond that. I'm wondering how deep this paranoia can go (and maybe even go down my own route too!).

Thanks!

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[–] Pika@sh.itjust.works 27 points 9 months ago* (last edited 9 months ago) (4 children)

My security is fairly simplistic but I'm happy with it

software protection
- fail2ban with low warning hold
- cert based login for ssh (no password Auth)
- Honeypot on all common port numbers, which if pinged leads to a permanent IP ban
- drop all firewall
- PSAD for intrusion/scanning protection (so many Russian scanners... lol)
- wireguard for VPN to access local virtual machines and resources
- external VPN with nordVPN for secure containers (yes I know nord is questionable I plan to swap when my sub runs out)
physical protection
- luksCrypt on the sensitive Data/program Drive ( I know there's some security concerns with luksCrypt bite me)
- grub and bios locked with password
- UPS set to auto notify on power outage
- router with keep alive warning system that pings my phone if the lab goes offline and provides fallback dns
things I've thought about:
- a mock recovery partition entry that will nuke the Luks headers on entry (to prevent potential exploit getting through grub)
- removing super user access completely outside of local user access

[–] IlIllIIIllIlIlIIlI@lemmy.world 3 points 9 months ago

What honeypot are you using?

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